BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 272 filers reported holding BLUEBIRD BIO INC in Q4 2020. The put-call ratio across all filers is 1.17 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2020 | $15,000 | -11.8% | 275 | 0.0% | 0.00% | -50.0% |
Q2 2020 | $17,000 | +30.8% | 275 | 0.0% | 0.00% | 0.0% |
Q1 2020 | $13,000 | -45.8% | 275 | 0.0% | 0.00% | 0.0% |
Q4 2019 | $24,000 | -7.7% | 275 | -6.1% | 0.00% | -33.3% |
Q3 2019 | $26,000 | -29.7% | 293 | 0.0% | 0.00% | -25.0% |
Q2 2019 | $37,000 | -19.6% | 293 | 0.0% | 0.00% | -20.0% |
Q1 2019 | $46,000 | +58.6% | 293 | 0.0% | 0.01% | +25.0% |
Q4 2018 | $29,000 | -99.9% | 293 | -24.9% | 0.00% | +33.3% |
Q3 2018 | $28,498,000 | +91829.0% | 390 | +100.0% | 0.00% | -25.0% |
Q2 2018 | $31,000 | -6.1% | 195 | 0.0% | 0.00% | 0.0% |
Q1 2018 | $33,000 | +6.5% | 195 | +11.4% | 0.00% | 0.0% |
Q4 2017 | $31,000 | – | 175 | – | 0.00% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
TANG CAPITAL MANAGEMENT LLC | 5,910,687 | $24,470,000 | 3.71% |
Monaco Asset Management SAM | 306,142 | $1,267,000 | 0.55% |
Parametrica Management Ltd | 90,105 | $374,000 | 0.41% |
Kamunting Street Capital Management, L.P. | 55,200 | $229,000 | 0.31% |
Birchview Capital, LP | 98,000 | $406,000 | 0.30% |
Kamunting Street Capital Management, L.P. | 35,000 | $145,000 | 0.20% |
PDT Partners, LLC | 519,477 | $2,151,000 | 0.19% |
Graham Capital Management, L.P. | 781,912 | $3,237,000 | 0.13% |
CAXTON ASSOCIATES LP | 220,154 | $911,000 | 0.09% |
Baker Brothers Advisors | 2,499,715 | $10,349,000 | 0.06% |